Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1985-03-25
1986-07-08
Thibodeau, Paul J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
156 71, 428139, 428141, 428143, 428281, 428282, 428283, 428291, 428489, B32B 310, B32B 502
Patent
active
045992584
ABSTRACT:
The invention comprises a built-up roof composite that is used upon seamed roof substrates. The composite has a membrane that is simultaneously formed and affixed to a base sheet adhered to the roof substrate. The membrane comprises a sheet of heat-resistant, non-woven polyester sandwiched between layers of asphalt. The upper asphalt layer is caused to flow through the polyester and meld with the lower layer of asphalt to form a homogeneous membrane.
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Salzman Robert S.
Thibodeau Paul J.
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